;;; nnmail.el --- mail support functions for the Gnus mail backends
-;; Copyright (C) 1995,96,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news, mail
(require 'custom)
(require 'gnus-util)
(require 'mail-source)
-(require 'mm-util)
(eval-and-compile
(autoload 'gnus-error "gnus-util")
- (autoload 'gnus-buffer-live-p "gnus-util"))
+ (autoload 'gnus-buffer-live-p "gnus-util")
+ (autoload 'gnus-add-buffer "gnus"))
(defgroup nnmail nil
"Reading mail with Gnus."
"Various mail options."
:group 'nnmail)
-(defcustom nnmail-split-methods
- '(("mail.misc" ""))
+(defcustom nnmail-split-methods '(("mail.misc" ""))
"*Incoming mail will be split according to this variable.
If you'd like, for instance, one mail group for mail from the
(setq nnmail-split-methods
'((\"mail.4ad\" \"From:.*4ad\")
- (\"mail.junk\" \"From:.*Lars\\\\|Subject:.*buy\")
- (\"mail.misc\" \"\")))
+ (\"mail.junk\" \"From:.*Lars\\\\|Subject:.*buy\")
+ (\"mail.misc\" \"\")))
As you can see, this variable is a list of lists, where the first
element in each \"rule\" is the name of the group (which, by the way,
This variable can also have a function as its value."
:group 'nnmail-split
- :type '(choice (repeat :tag "Alist" (group (string :tag "Name") regexp))
+ :type '(choice (repeat :tag "Alist" (group (string :tag "Name")
+ (choice regexp function)))
(function-item nnmail-split-fancy)
(function :tag "Other")))
:group 'nnmail-split
:type 'boolean)
+(defcustom nnmail-split-fancy-with-parent-ignore-groups nil
+ "Regexp that matches group names to be ignored when applying
+`nnmail-split-fancy-with-parent'. This can also be a list of regexps."
+ :group 'nnmail-split
+ :type '(choice (const :tag "none" nil)
+ (regexp :value ".*")
+ (repeat :value (".*") regexp)))
+
+(defcustom nnmail-cache-ignore-groups nil
+ "Regexp that matches group names to be ignored when inserting message
+ids into the cache (`nnmail-cache-insert'). This can also be a list
+of regexps."
+ :group 'nnmail-split
+ :type '(choice (const :tag "none" nil)
+ (regexp :value ".*")
+ (repeat :value (".*") regexp)))
+
;; Added by gord@enci.ucalgary.ca (Gordon Matzigkeit).
(defcustom nnmail-keep-last-article nil
"If non-nil, nnmail will never delete/move a group's last article.
can also be `immediate' and `never'."
:group 'nnmail-expire
:type '(choice (const immediate)
- (integer :tag "days")
+ (number :tag "days")
(const never)))
(defcustom nnmail-expiry-wait-function nil
\(setq nnmail-expiry-wait-function
(lambda (newsgroup)
- (cond ((string-match \"private\" newsgroup) 31)
- ((string-match \"junk\" newsgroup) 1)
+ (cond ((string-match \"private\" newsgroup) 31)
+ ((string-match \"junk\" newsgroup) 1)
((string-match \"important\" newsgroup) 'never)
(t 7))))"
:group 'nnmail-expire
:type '(choice (const :tag "nnmail-expiry-wait" nil)
(function :format "%v" nnmail-)))
+(defcustom nnmail-expiry-target 'delete
+ "*Variable that says where expired messages should end up.
+The default value is `delete' (which says to delete the messages),
+but it can also be a string or a function. If it is a string, expired
+messages end up in that group. If it is a function, the function is
+called in a buffer narrowed to the message in question. The function
+receives one argument, the name of the group the message comes from.
+The return value should be `delete' or a group name (a string)."
+ :version "21.1"
+ :group 'nnmail-expire
+ :type '(choice (const delete)
+ (function :format "%v" nnmail-)
+ string))
+
+(defcustom nnmail-fancy-expiry-targets nil
+ "Determine expiry target based on articles using fancy techniques.
+
+This is a list of (\"HEADER\" \"REGEXP\" \"TARGET\") entries. If
+`nnmail-expiry-target' is set to the function
+`nnmail-fancy-expiry-target' and HEADER of the article matches REGEXP,
+the message will be expired to a group determined by invoking
+`format-time-string' with TARGET used as the format string and the
+time extracted from the articles' Date header (if missing the current
+time is used).
+
+In the special cases that HEADER is the symbol `to-from', the regexp
+will try to match against both the From and the To header.
+
+Example:
+
+\(setq nnmail-fancy-expiry-targets
+ '((to-from \"boss\" \"nnfolder:Work\")
+ (\"Subject\" \"IMPORTANT\" \"nnfolder:IMPORTANT.%Y.%b\")
+ (\"from\" \".*\" \"nnfolder:Archive-%Y\")))
+
+In this case, articles containing the string \"boss\" in the To or the
+From header will be expired to the group \"nnfolder:Work\";
+articles containing the sting \"IMPORTANT\" in the Subject header will
+be expired to the group \"nnfolder:IMPORTANT.YYYY.MMM\"; and
+everything else will be expired to \"nnfolder:Archive-YYYY\"."
+ :group 'nnmail-expire
+ :type '(repeat (list (choice :tag "Match against"
+ (string :tag "Header")
+ (const to-from))
+ regexp
+ (string :tag "Target group format string"))))
+
(defcustom nnmail-cache-accepted-message-ids nil
- "If non-nil, put Message-IDs of Gcc'd articles into the duplicate cache."
+ "If non-nil, put Message-IDs of Gcc'd articles into the duplicate cache.
+If non-nil, also update the cache when copy or move articles."
:group 'nnmail
:type 'boolean)
:group 'nnmail-procmail
:type 'boolean)
+(defcustom nnmail-scan-directory-mail-source-once nil
+ "*If non-nil, scan all incoming procmail sorted mails once.
+It scans low-level sorted spools even when not required."
+ :version "21.1"
+ :group 'nnmail-procmail
+ :type 'boolean)
+
(defcustom nnmail-delete-file-function 'delete-file
"Function called to delete files in some mail backends."
:group 'nnmail-files
'(nnheader-ms-strip-cr)
nil)
"*Hook that will be run after the incoming mail has been transferred.
-The incoming mail is moved from `nnmail-spool-file' (which normally is
+The incoming mail is moved from the specified spool file (which normally is
something like \"/usr/spool/mail/$user\") to the user's home
directory. This hook is called after the incoming mail box has been
emptied, and can be used to call any mail box programs you have
Eg.
\(add-hook 'nnmail-read-incoming-hook
- (lambda ()
- (start-process \"mailsend\" nil
- \"/local/bin/mailsend\" \"read\" \"mbox\")))
+ (lambda ()
+ (call-process \"/local/bin/mailsend\" nil nil nil
+ \"read\" nnmail-spool-file)))
If you have xwatch running, this will alert it that mail has been
read.
:type 'hook)
(defcustom nnmail-large-newsgroup 50
- "*The number of the articles which indicates a large newsgroup.
+ "*The number of the articles which indicates a large newsgroup or nil.
If the number of the articles is greater than the value, verbose
messages will be shown to indicate the current status."
:group 'nnmail-various
- :type 'integer)
+ :type '(choice (const :tag "infinite" nil)
+ (number :tag "count")))
(defcustom nnmail-split-fancy "mail.misc"
"Incoming mail can be split according to this fancy variable.
GROUP: Mail will be stored in GROUP (a string).
\(FIELD VALUE [- RESTRICT [- RESTRICT [...]]] SPLIT): If the message
- field FIELD (a regexp) contains VALUE (a regexp), store the messages
+ field FIELD (a regexp) contains VALUE (a regexp), store the messages
as specified by SPLIT. If RESTRICT (a regexp) matches some string
- after FIELD and before the end of the matched VALUE, return NIL,
+ after FIELD and before the end of the matched VALUE, return nil,
otherwise process SPLIT. Multiple RESTRICTs add up, further
restricting the possibility of processing SPLIT.
return value FUNCTION should be a split, which is then recursively
processed.
+junk: Mail will be deleted. Use with care! Do not submerge in water!
+ Example:
+ (setq nnmail-split-fancy
+ '(| (\"Subject\" \"MAKE MONEY FAST\" junk)
+ ...other.rules.omitted...))
+
FIELD must match a complete field name. VALUE must match a complete
word according to the `nnmail-split-fancy-syntax-table' syntax table.
You can use \".*\" in the regexps to match partial field names or words.
;; Other mailing lists...
(any \"procmail@informatik\\\\.rwth-aachen\\\\.de\" \"procmail.list\")
(any \"SmartList@informatik\\\\.rwth-aachen\\\\.de\" \"SmartList.list\")
- ;; Both lists below have the same suffix, so prevent
- ;; cross-posting to mkpkg.list of messages posted only to
- ;; the bugs- list, but allow cross-posting when the
- ;; message was really cross-posted.
- (any \"bugs-mypackage@somewhere\" \"mypkg.bugs\")
- (any \"mypackage@somewhere\" - \"bugs-mypackage\" \"mypkg.list\")
- ;;
+ ;; Both lists below have the same suffix, so prevent
+ ;; cross-posting to mkpkg.list of messages posted only to
+ ;; the bugs- list, but allow cross-posting when the
+ ;; message was really cross-posted.
+ (any \"bugs-mypackage@somewhere\" \"mypkg.bugs\")
+ (any \"mypackage@somewhere\" - \"bugs-mypackage\" \"mypkg.list\")
+ ;;
;; People...
(any \"larsi@ifi\\\\.uio\\\\.no\" \"people.Lars Magne Ingebrigtsen\"))
;; Unmatched mail goes to the catch all group.
(const warn)
(const delete)))
-(defcustom nnmail-extra-headers nil
+(defcustom nnmail-extra-headers '(To Newsgroups)
"*Extra headers to parse."
+ :version "21.1"
:group 'nnmail
:type '(repeat symbol))
(defcustom nnmail-split-header-length-limit 512
"Header lines longer than this limit are excluded from the split function."
+ :version "21.1"
:group 'nnmail
:type 'integer)
+(defcustom nnmail-mail-splitting-charset nil
+ "Default charset to be used when splitting incoming mail."
+ :group 'nnmail
+ :type 'symbol)
+
+(defcustom nnmail-mail-splitting-decodes t
+ "Whether the nnmail splitting functionality should MIME decode headers."
+ :group 'nnmail
+ :type 'boolean)
+
;;; Internal variables.
+(defvar nnmail-article-buffer " *nnmail incoming*"
+ "The buffer used for splitting incoming mails.")
+
(defvar nnmail-split-history nil
"List of group/article elements that say where the previous split put messages.")
"Coding system used in nnmail.")
(defvar nnmail-incoming-coding-system
- mm-text-coding-system
+ nnheader-text-coding-system
"Coding system used in reading inbox")
-(defvar nnmail-pathname-coding-system 'binary
+(defvar nnmail-pathname-coding-system nil
"*Coding system for pathname.")
(defun nnmail-find-file (file)
(set-buffer nntp-server-buffer)
(delete-region (point-min) (point-max))
(let ((format-alist nil)
- (after-insert-file-functions nil))
+ (after-insert-file-functions nil))
(condition-case ()
- (let ((coding-system-for-read nnmail-file-coding-system)
- (auto-mode-alist (nnheader-auto-mode-alist))
+ (let ((auto-mode-alist (nnheader-auto-mode-alist))
+ (file-name-coding-system nnmail-pathname-coding-system)
(pathname-coding-system nnmail-pathname-coding-system))
- (insert-file-contents file)
+ (insert-file-contents-as-coding-system
+ nnmail-file-coding-system file)
t)
(file-error nil))))
"Make pathname for GROUP."
(concat
(let ((dir (file-name-as-directory (expand-file-name dir))))
+ (setq group (nnheader-replace-duplicate-chars-in-string
+ (nnheader-replace-chars-in-string group ?/ ?_)
+ ?. ?_))
(setq group (nnheader-translate-file-chars group))
;; If this directory exists, we use it directly.
- (if (or nnmail-use-long-file-names
- (file-directory-p (concat dir group)))
- (concat dir group "/")
- ;; If not, we translate dots into slashes.
- (concat dir
- (mm-encode-coding-string
- (nnheader-replace-chars-in-string group ?. ?/)
- nnmail-pathname-coding-system)
- "/")))
+ (file-name-as-directory
+ (if (or nnmail-use-long-file-names
+ (file-directory-p (concat dir group)))
+ (expand-file-name group dir)
+ ;; If not, we translate dots into slashes.
+ (expand-file-name
+ (encode-coding-string
+ (nnheader-replace-chars-in-string group ?. ?/)
+ nnmail-pathname-coding-system)
+ dir))))
(or file "")))
(defun nnmail-get-active ()
"Returns an assoc of group names and active ranges.
nn*-request-list should have been called before calling this function."
- (let (group-assoc)
- ;; Go through all groups from the active list.
- (save-excursion
- (set-buffer nntp-server-buffer)
- (goto-char (point-min))
- (while (re-search-forward
- "^\\([^ \t]+\\)[ \t]+\\([0-9]+\\)[ \t]+\\([0-9]+\\)" nil t)
- ;; We create an alist with `(GROUP (LOW . HIGH))' elements.
- (push (list (match-string 1)
- (cons (string-to-int (match-string 3))
- (string-to-int (match-string 2))))
- group-assoc)))
+ ;; Go through all groups from the active list.
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (nnmail-parse-active)))
+
+(defun nnmail-parse-active ()
+ "Parse the active file in the current buffer and return an alist."
+ (goto-char (point-min))
+ (unless (re-search-forward "[\\\"]" nil t)
+ (goto-char (point-max))
+ (while (re-search-backward "[][';?()#]" nil t)
+ (insert ?\\)))
+ (goto-char (point-min))
+ (let ((buffer (current-buffer))
+ group-assoc group max min)
+ (while (not (eobp))
+ (condition-case err
+ (progn
+ (narrow-to-region (point) (gnus-point-at-eol))
+ (setq group (read buffer))
+ (unless (stringp group)
+ (setq group (symbol-name group)))
+ (if (and (numberp (setq max (read buffer)))
+ (numberp (setq min (read buffer))))
+ (push (list group (cons min max))
+ group-assoc)))
+ (error nil))
+ (widen)
+ (forward-line 1))
group-assoc))
(defvar nnmail-active-file-coding-system 'raw-text
(defun nnmail-save-active (group-assoc file-name)
"Save GROUP-ASSOC in ACTIVE-FILE."
- (let ((coding-system-for-write nnmail-active-file-coding-system))
+ (let ((coding-system-for-write nnmail-active-file-coding-system)
+ (output-coding-system nnmail-active-file-coding-system))
(when file-name
(with-temp-file file-name
(nnmail-generate-active group-assoc)))))
(erase-buffer)
(let (group)
(while (setq group (pop alist))
- (insert (format "%s %d %d y\n" (car group) (cdadr group)
- (caadr group))))))
+ (insert (format "%S %d %d y\n" (intern (car group)) (cdadr group)
+ (caadr group))))
+ (goto-char (point-max))
+ (while (search-backward "\\." nil t)
+ (delete-char 1))))
(defun nnmail-get-split-group (file source)
"Find out whether this FILE is to be split into GROUP only.
(defsubst nnmail-search-unix-mail-delim ()
"Put point at the beginning of the next Unix mbox message."
- ;; Algorithm used to find the the next article in the
+ ;; Algorithm used to find the next article in the
;; brain-dead Unix mbox format:
;;
;; 1) Search for "^From ".
(defun nnmail-search-unix-mail-delim-backward ()
"Put point at the beginning of the current Unix mbox message."
- ;; Algorithm used to find the the next article in the
+ ;; Algorithm used to find the next article in the
;; brain-dead Unix mbox format:
;;
;; 1) Search for "^From ".
;; if there is no head-body delimiter, we search a bit manually.
(while (and (looking-at "From \\|[^ \t]+:")
(not (eobp)))
- (forward-line 1)
- (point))))
+ (forward-line 1))
+ (point)))
;; Find the Message-ID header.
(goto-char (point-min))
(if (re-search-forward "^Message-ID:[ \t]*\\(<[^>]+>\\)" nil t)
nnmail-split-methods)))
(save-excursion
;; Insert the incoming file.
- (set-buffer (get-buffer-create " *nnmail incoming*"))
+ (set-buffer (get-buffer-create nnmail-article-buffer))
(erase-buffer)
(let ((nnheader-file-coding-system nnmail-incoming-coding-system))
- (mm-insert-file-contents incoming))
+ (nnheader-insert-file-contents incoming))
(prog1
(if (zerop (buffer-size))
0
(defun nnmail-article-group (func &optional trace)
"Look at the headers and return an alist of groups that match.
FUNC will be called with the group name to determine the article number."
- (let ((methods nnmail-split-methods)
+ (let ((methods (or nnmail-split-methods '(("bogus" ""))))
(obuf (current-buffer))
(beg (point-min))
end group-art method grp)
(erase-buffer)
;; Copy the headers into the work buffer.
(insert-buffer-substring obuf beg end)
+ ;; Decode MIME headers and charsets.
+ (when nnmail-mail-splitting-decodes
+ (mime-decode-header-in-region (point-min) (point-max)
+ nnmail-mail-splitting-charset))
;; Fold continuation lines.
(goto-char (point-min))
(while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
(or (funcall nnmail-split-methods)
'("bogus"))
(error
- (nnheader-message 5
- "Error in `nnmail-split-methods'; using `bogus' mail group")
+ (nnheader-message
+ 5 "Error in `nnmail-split-methods'; using `bogus' mail group")
(sit-for 1)
'("bogus")))))
(setq split (gnus-remove-duplicates split))
(funcall func (car method)))))))))
;; Produce a trace if non-empty.
(when (and trace nnmail-split-trace)
- (let ((trace (nreverse nnmail-split-trace))
- (restore (current-buffer)))
+ (let ((restore (current-buffer)))
(nnheader-set-temp-buffer "*Split Trace*")
(gnus-add-buffer)
- (while trace
- (insert (car trace) "\n")
- (setq trace (cdr trace)))
+ (dolist (trace (nreverse nnmail-split-trace))
+ (prin1 trace (current-buffer))
+ (insert "\n"))
(goto-char (point-min))
(gnus-configure-windows 'split-trace)
(set-buffer restore)))
(let (lines chars)
(save-excursion
(goto-char (point-min))
- (when (search-forward "\n\n" nil t)
- (setq chars (- (point-max) (point)))
- (setq lines (count-lines (point) (point-max)))
- (forward-char -1)
- (save-excursion
- (when (re-search-backward "^Lines: " nil t)
- (delete-region (point) (progn (forward-line 1) (point)))))
- (beginning-of-line)
- (insert (format "Lines: %d\n" (max lines 0)))
- chars))))
+ (unless (search-forward "\n\n" nil t)
+ (goto-char (point-max))
+ (insert "\n"))
+ (setq chars (- (point-max) (point)))
+ (setq lines (count-lines (point) (point-max)))
+ (forward-char -1)
+ (save-excursion
+ (when (re-search-backward "^Lines: " nil t)
+ (delete-region (point) (progn (forward-line 1) (point)))))
+ (beginning-of-line)
+ (insert (format "Lines: %d\n" (max lines 0)))
+ chars)))
(defun nnmail-insert-xref (group-alist)
"Insert an Xref line based on the (group . article) alist."
(save-excursion
(goto-char (point-min))
- (when (search-forward "\n\n" nil t)
- (forward-char -1)
- (when (re-search-backward "^Xref: " nil t)
- (delete-region (match-beginning 0)
- (progn (forward-line 1) (point))))
- (insert (format "Xref: %s" (system-name)))
- (while group-alist
- (insert (format " %s:%d"
- (mm-encode-coding-string
- (caar group-alist)
- nnmail-pathname-coding-system)
- (cdar group-alist)))
- (setq group-alist (cdr group-alist)))
- (insert "\n"))))
+ (unless (search-forward "\n\n" nil t)
+ (goto-char (point-max))
+ (insert "\n"))
+ (forward-char -1)
+ (when (re-search-backward "^Xref: " nil t)
+ (delete-region (match-beginning 0)
+ (progn (forward-line 1) (point))))
+ (insert (format "Xref: %s" (system-name)))
+ (while group-alist
+ (insert (format " %s:%d"
+ (encode-coding-string
+ (caar group-alist)
+ nnmail-pathname-coding-system)
+ (cdar group-alist)))
+ (setq group-alist (cdr group-alist)))
+ (insert "\n")))
;;; Message washing functions
(defun nnmail-remove-list-identifiers ()
"Remove list identifiers from Subject headers."
- (let ((regexp (if (stringp nnmail-list-identifiers) nnmail-list-identifiers
- (mapconcat 'identity nnmail-list-identifiers "\\|"))))
+ (let ((regexp
+ (if (consp nnmail-list-identifiers)
+ (mapconcat 'identity nnmail-list-identifiers " *\\|")
+ nnmail-list-identifiers)))
(when regexp
(goto-char (point-min))
- (when (re-search-forward
- (concat "^Subject: +\\(Re: +\\)?\\(" regexp "\\) *")
- nil t)
- (delete-region (match-beginning 2) (match-end 0))))))
+ (while (re-search-forward
+ (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
+ nil t)
+ (delete-region (match-beginning 2) (match-end 0))
+ (beginning-of-line))
+ (when (re-search-forward "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
+ (delete-region (match-beginning 1) (match-end 1))
+ (beginning-of-line)))))
(defun nnmail-remove-tabs ()
"Translate TAB characters into SPACE characters."
(goto-char (point-min))
(when (re-search-forward "^References:" nil t)
(beginning-of-line)
- (insert "X-Gnus-Broken-Eudora-"))))
+ (insert "X-Gnus-Broken-Eudora-"))
+ (goto-char (point-min))
+ (when (re-search-forward "^\\(In-Reply-To:[^\n]+\\)\n[ \t]+" nil t)
+ (replace-match "\\1" t))))
(custom-add-option 'nnmail-prepare-incoming-header-hook
'nnmail-fix-eudora-headers)
;;; Utility functions
+(defun nnmail-do-request-post (accept-func &optional server)
+ "Utility function to directly post a message to an nnmail-derived group.
+Calls ACCEPT-FUNC (which should be `nnchoke-request-accept-article')
+to actually put the message in the right group."
+ (let ((success t))
+ (dolist (mbx (message-unquote-tokens
+ (message-tokenize-header
+ (message-fetch-field "Newsgroups") ", ")) success)
+ (let ((to-newsgroup (gnus-group-prefixed-name mbx gnus-command-method)))
+ (or (gnus-active to-newsgroup)
+ (gnus-activate-group to-newsgroup)
+ (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
+ to-newsgroup))
+ (or (and (gnus-request-create-group
+ to-newsgroup gnus-command-method)
+ (gnus-activate-group to-newsgroup nil nil
+ gnus-command-method))
+ (error "Couldn't create group %s" to-newsgroup)))
+ (error "No such group: %s" to-newsgroup))
+ (unless (funcall accept-func mbx (nth 1 gnus-command-method))
+ (setq success nil))))))
+
(defun nnmail-split-fancy ()
"Fancy splitting method.
See the documentation for the variable `nnmail-split-fancy' for documentation."
;; A group name. Do the \& and \N subs into the string.
((stringp split)
(when nnmail-split-tracing
- (push (format "\"%s\"" split) nnmail-split-trace))
+ (push split nnmail-split-trace))
(list (nnmail-expand-newtext split)))
;; Junk the message.
(while (and (goto-char end-point)
(re-search-backward (cdr cached-pair) nil t))
(when nnmail-split-tracing
- (push (cdr cached-pair) nnmail-split-trace))
+ (push split nnmail-split-trace))
(let ((split-rest (cddr split))
(end (match-end 0))
;; The searched regexp is \(\(FIELD\).*\)\(VALUE\). So,
(setq value (cdr (assq value nnmail-split-abbrev-alist))))
;; Someone might want to do a \N sub on this match, so get the
;; correct match positions.
- (re-search-backward value start-of-value))
+ (re-search-backward (concat "\\<" value "\\>") start-of-value))
(dolist (sp (nnmail-split-it (car split-rest)))
(unless (memq sp split-result)
(push sp split-result))))))
(t
(let* ((field (nth 0 split))
(value (nth 1 split))
- partial regexp)
+ partial-front regexp
+ partial-rear regexp)
(if (symbolp value)
(setq value (cdr (assq value nnmail-split-abbrev-alist))))
- (if (string= ".*" (substring value 0 2))
+ (if (and (>= (length value) 2)
+ (string= ".*" (substring value 0 2)))
(setq value (substring value 2)
- partial ""))
+ partial-front ""))
+ ;; Same trick for the rear of the regexp
+ (if (and (>= (length value) 2)
+ (string= ".*" (substring value -2)))
+ (setq value (substring value 0 -2)
+ partial-rear ""))
(setq regexp (concat "^\\(\\("
(if (symbolp field)
(cdr (assq field nnmail-split-abbrev-alist))
field)
"\\):.*\\)"
- (or partial "\\<")
+ (or partial-front "\\<")
"\\("
value
- "\\)\\>"))
+ "\\)"
+ (or partial-rear "\\>")))
(push (cons split regexp) nnmail-split-cache)
;; Now that it's in the cache, just call nnmail-split-it again
;; on the same split, which will find it immediately in the cache.
(set-buffer
(setq nnmail-cache-buffer
(get-buffer-create " *nnmail message-id cache*")))
+ (gnus-add-buffer)
(when (file-exists-p nnmail-message-id-cache-file)
- (mm-insert-file-contents nnmail-message-id-cache-file))
+ (nnheader-insert-file-contents nnmail-message-id-cache-file))
(set-buffer-modified-p nil)
(current-buffer))))
(setq nnmail-cache-buffer nil)
(kill-buffer (current-buffer)))))
-(defun nnmail-cache-insert (id)
+;; Compiler directives.
+(defvar group)
+(defvar group-art-list)
+(defvar group-art)
+(defun nnmail-cache-insert (id grp)
(when nnmail-treat-duplicates
+ ;; Store some information about the group this message is written
+ ;; to. This is passed in as the grp argument -- all locations this
+ ;; has been called from have been checked and the group is available.
+ ;; The only ambiguous case is nnmail-check-duplication which will only
+ ;; pass the first (of possibly >1) group which matches. -Josh
(unless (gnus-buffer-live-p nnmail-cache-buffer)
(nnmail-cache-open))
(save-excursion
(set-buffer nnmail-cache-buffer)
(goto-char (point-max))
- (insert id "\n"))))
+ (if (and grp (not (string= "" grp))
+ (gnus-methods-equal-p gnus-command-method
+ (nnmail-cache-primary-mail-backend)))
+ (let ((regexp (if (consp nnmail-cache-ignore-groups)
+ (mapconcat 'identity nnmail-cache-ignore-groups
+ "\\|")
+ nnmail-cache-ignore-groups)))
+ (unless (and regexp (string-match regexp grp))
+ (insert id "\t" grp "\n")))
+ (insert id "\n")))))
+
+(defun nnmail-cache-primary-mail-backend ()
+ (let ((be-list (cons gnus-select-method gnus-secondary-select-methods))
+ (be nil)
+ (res nil))
+ (while (and (null res) be-list)
+ (setq be (car be-list))
+ (setq be-list (cdr be-list))
+ (when (and (gnus-method-option-p be 'respool)
+ (eval (intern (format "%s-get-new-mail" (car be)))))
+ (setq res be)))
+ res))
+
+;; Fetch the group name corresponding to the message id stored in the
+;; cache.
+(defun nnmail-cache-fetch-group (id)
+ (when (and nnmail-treat-duplicates nnmail-cache-buffer)
+ (save-excursion
+ (set-buffer nnmail-cache-buffer)
+ (goto-char (point-max))
+ (when (search-backward id nil t)
+ (beginning-of-line)
+ (skip-chars-forward "^\n\r\t")
+ (unless (eolp)
+ (forward-char 1)
+ (buffer-substring (point)
+ (progn (end-of-line) (point))))))))
+
+;; Function for nnmail-split-fancy: look up all references in the
+;; cache and if a match is found, return that group.
+(defun nnmail-split-fancy-with-parent ()
+ "Split this message into the same group as its parent.
+This function can be used as an entry in `nnmail-split-fancy', for
+example like this: (: nnmail-split-fancy)
+For a message to be split, it looks for the parent message in the
+References or In-Reply-To header and then looks in the message id
+cache file (given by the variable `nnmail-message-id-cache-file') to
+see which group that message was put in. This group is returned.
+
+See the Info node `(gnus)Fancy Mail Splitting' for more details."
+ (let* ((refstr (or (message-fetch-field "references")
+ (message-fetch-field "in-reply-to")))
+ (references nil)
+ (res nil)
+ (regexp (if (consp nnmail-split-fancy-with-parent-ignore-groups)
+ (mapconcat
+ (lambda (x) (format "\\(%s\\)" x))
+ nnmail-split-fancy-with-parent-ignore-groups
+ "\\|")
+ nnmail-split-fancy-with-parent-ignore-groups)))
+ (when refstr
+ (setq references (nreverse (gnus-split-references refstr)))
+ (unless (gnus-buffer-live-p nnmail-cache-buffer)
+ (nnmail-cache-open))
+ (mapcar (lambda (x)
+ (setq res (or (nnmail-cache-fetch-group x) res))
+ (when (or (string= "drafts" res)
+ (and regexp res (string-match regexp res)))
+ (setq res nil)))
+ references)
+ res)))
(defun nnmail-cache-id-exists-p (id)
(when nnmail-treat-duplicates
((not duplication)
(funcall func (setq group-art
(nreverse (nnmail-article-group artnum-func))))
- (nnmail-cache-insert message-id))
+ (nnmail-cache-insert message-id (caar group-art)))
((eq action 'delete)
(setq group-art nil))
((eq action 'warn)
(let* ((sources (or mail-sources
(if (listp nnmail-spool-file) nnmail-spool-file
(list nnmail-spool-file))))
+ fetching-sources
(group-in group)
(i 0)
(new 0)
(total 0)
incoming incomings source)
(when (and (nnmail-get-value "%s-get-new-mail" method)
- nnmail-spool-file)
- ;; We first activate all the groups.
- (nnmail-activate method)
- ;; Allow the user to hook.
- (run-hooks 'nnmail-pre-get-new-mail-hook)
- ;; Open the message-id cache.
- (nnmail-cache-open)
- ;; The we go through all the existing mail source specification
- ;; and fetch the mail from each.
+ sources)
(while (setq source (pop sources))
;; Be compatible with old values.
(cond
nil))
;; Hack to only fetch the contents of a single group's spool file.
(when (and (eq (car source) 'directory)
+ (null nnmail-scan-directory-mail-source-once)
group)
(mail-source-bind (directory source)
(setq source (append source
(list
:predicate
- `(lambda (file)
- (string-match
- ,(concat
- (regexp-quote (concat group suffix))
- "$")
- file)))))))
+ (gnus-byte-compile
+ `(lambda (file)
+ (string-equal
+ ,(concat group suffix)
+ (file-name-nondirectory file)))))))))
(when nnmail-fetched-sources
(if (member source nnmail-fetched-sources)
(setq source nil)
- (push source nnmail-fetched-sources)))
- (when source
- (nnheader-message 4 "%s: Reading incoming mail from %s..."
- method (car source))
- (when (setq new
- (mail-source-fetch
- source
- `(lambda (file orig-file)
- (nnmail-split-incoming
- file ',(intern (format "%s-save-mail" method))
- ',spool-func
- (nnmail-get-split-group orig-file source)
- ',(intern (format "%s-active-number" method))))))
- (incf total new)
- (incf i))))
+ (push source nnmail-fetched-sources)
+ (push source fetching-sources)))))
+ (when fetching-sources
+ ;; We first activate all the groups.
+ (nnmail-activate method)
+ ;; Allow the user to hook.
+ (run-hooks 'nnmail-pre-get-new-mail-hook)
+ ;; Open the message-id cache.
+ (nnmail-cache-open)
+ ;; The we go through all the existing mail source specification
+ ;; and fetch the mail from each.
+ (while (setq source (pop fetching-sources))
+ (nnheader-message 4 "%s: Reading incoming mail from %s..."
+ method (car source))
+ (when (setq new
+ (mail-source-fetch
+ source
+ (gnus-byte-compile
+ `(lambda (file orig-file)
+ (nnmail-split-incoming
+ file ',(intern (format "%s-save-mail" method))
+ ',spool-func
+ (if (equal file orig-file)
+ nil
+ (nnmail-get-split-group orig-file ',source))
+ ',(intern (format "%s-active-number" method)))))))
+ (incf total new)
+ (incf i)))
;; If we did indeed read any incoming spools, we save all info.
- (unless (zerop total)
+ (if (zerop total)
+ (nnheader-message 4 "%s: Reading incoming mail (no new mail)...done"
+ method (car source))
(nnmail-save-active
(nnmail-get-value "%s-group-alist" method)
(nnmail-get-value "%s-active-file" method))
;; Compare the time with the current time.
(ignore-errors (time-less-p days (time-since time))))))))
+(defun nnmail-expiry-target-group (target group)
+ ;; Do not invoke this from nntp-server-buffer! At least nnfolder clears
+ ;; that buffer if the nnfolder group isn't selected.
+ (let (nnmail-cache-accepted-message-ids)
+ ;; Don't enter Message-IDs into cache.
+ ;; Let users hack it in TARGET function.
+ (when (nnheader-functionp target)
+ (setq target (funcall target group)))
+ (unless (eq target 'delete)
+ (gnus-request-accept-article target nil nil t))))
+
+(defun nnmail-fancy-expiry-target (group)
+ "Returns a target expiry group determined by `nnmail-fancy-expiry-targets'."
+ (let* (header
+ (case-fold-search nil)
+ (from (or (message-fetch-field "from") ""))
+ (to (or (message-fetch-field "to") ""))
+ (date (date-to-time
+ (or (message-fetch-field "date") (current-time-string))))
+ (target 'delete))
+ (dolist (regexp-target-pair (reverse nnmail-fancy-expiry-targets) target)
+ (setq header (car regexp-target-pair))
+ (cond
+ ;; If the header is to-from then match against the
+ ;; To or From header
+ ((and (equal header 'to-from)
+ (or (string-match (cadr regexp-target-pair) from)
+ (and (string-match message-dont-reply-to-names from)
+ (string-match (cadr regexp-target-pair) to))))
+ (setq target (format-time-string (caddr regexp-target-pair) date)))
+ ((and (not (equal header 'to-from))
+ (string-match (cadr regexp-target-pair)
+ (or
+ (message-fetch-field header)
+ "")))
+ (setq target
+ (format-time-string (caddr regexp-target-pair) date)))))))
+
(defun nnmail-check-syntax ()
"Check (and modify) the syntax of the message in the current buffer."
(save-restriction
(defun nnmail-write-region (start end filename &optional append visit lockname)
"Do a `write-region', and then set the file modes."
- (let ((coding-system-for-write nnmail-file-coding-system)
+ (let ((file-name-coding-system nnmail-pathname-coding-system)
(pathname-coding-system nnmail-pathname-coding-system))
- (write-region start end filename append visit lockname)
+ (write-region-as-coding-system
+ nnmail-file-coding-system start end filename append visit lockname)
(set-file-modes filename nnmail-default-file-modes)))
;;;
(unless nnmail-split-history
(error "No current split history"))
(with-output-to-temp-buffer "*nnmail split history*"
+ (with-current-buffer standard-output
+ (fundamental-mode)) ; for Emacs 20.4+
(let ((history nnmail-split-history)
elem)
(while (setq elem (pop history))
his nil)))
found))
+(defun nnmail-new-mail-numbers (group)
+ "Say how many articles has been incorporated to GROUP."
+ (let ((his (apply 'append nnmail-split-history))
+ numbers)
+ (while his
+ (when (string= group (caar his))
+ (push (cdar his) numbers))
+ (setq his (cdr his)))
+ numbers))
+
(defun nnmail-within-headers-p ()
"Check to see if point is within the headers of a unix mail message.
Doesn't change point."